17 11 370 Removing and installing/replacing cooling loop for hydraulic steering (N63 B40/B44 O 0/1)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.

IMPORTANT: When carrying out repair work on the oil and cooling circuit, protect the alternator against dirt contamination.

Cover alternator with suitable materials.

Failure to comply with this procedure may result in an alternator malfunction.

Necessary preliminary tasks

Remove AIR CONDITIONING CONDENSER .

Remove circlips (1).

Unlock lines (2) and detach from cooling loop.

Press in latch mechanisms (3) and pull cooling loop together with module carrier upwards.

IMPORTANT: Catch and dispose of emerging oil.

Installation note:

Reinstall circlips.

Fig 1: Identifying Lines, Circlips And Latch Mechanisms

Courtesy of BMW OF NORTH AMERICA, INC.

Feed out cooling loop (1) towards top and remove.

Fig 2: Identifying Cooling Loop

Courtesy of BMW OF NORTH AMERICA, INC.

After completing this repair work, check the OIL LEVEL in the oil reservoir of hydraulic steering.

If Dynamic Drive is fitted in the vehicle, execute START-UP WITH A TEST RUN.

Reassemble the vehicle.

Check hydraulic steering for leak tightness.